[1] He led his team over 2012–13 Euroleague season with 13.7 points and 4.8 rebounds over 10 games, but eventually Partizan didn't proceed to the next round of the competition.

On 24 June 2013, Lučić signed a two-year contract with an option for a third year with Spanish club Valencia Basket.

He made his debut with the senior Serbian national basketball team in the FIBA EuroBasket 2013 qualification.

[13] Lučić also represented Serbia at the EuroBasket 2017 where they won the silver medal, after losing in the final game to Slovenia.

At the 2019 FIBA Basketball World Cup, the national team of Serbia was dubbed as favorite to win the trophy,[15] but was eventually upset in the quarterfinals by Argentina.